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reka-flash-21b-20240226 AI data profile | Rank.ai

model

reka-flash-21b-20240226

Exact reka-flash-21b-20240226 identifier in the official Arena text leaderboard published 2026-07-21.

VERIFIED ENTITY DOSSIER

WHAT WE KNOW ABOUT REKA-FLASH-21B-20240226

A current roll-up of published ranks, normalized facts, primary evidence, and entity relationships. No missing value is inferred.

Leaderboards: 1
Verified metrics: 5
Published observations: 5
Primary sources: 1
Current edges: 0
Counterparties: 0

LATEST BY METRIC

Verified fact matrix

100% mean confidence

Latest verified facts published for reka-flash-21b-20240226
Metric	Value	As of	Evidence	Confidence
model_human_preferenceArena rating lower confidence bound	1,220.15 arena_scorederived	Jul 21, 2026	Arena official leaderboard dataset ↗Grade A	100%
model_human_preferenceArena rating upper confidence bound	1,232.04 arena_scorederived	Jul 21, 2026	Arena official leaderboard dataset ↗Grade A	100%
model_human_preferenceArena rating variance	9.21 arena_score_squaredderived	Jul 21, 2026	Arena official leaderboard dataset ↗Grade A	100%
model_human_preferenceArena text style-controlled rating	1,226.09 arena_scorederived	Jul 21, 2026	Arena official leaderboard dataset ↗Grade A	100%
model_human_preferenceArena vote count	24,806 votesmeasured	Jul 21, 2026	Arena official leaderboard dataset ↗Grade A	100%

CROSS-BOARD DOSSIER

WHERE REKA-FLASH-21B-20240226 RANKS

Every currently published position, joined to its snapshot, confidence, and methodology version.

Current Rank.ai board positions for reka-flash-21b-20240226
Rank	Leaderboard	Score	Movement	Confidence	As of	Method	Open explanation
#295	Arena Text Preferencearena-text-preference	1,226.09	—	100%	Jul 21, 2026	varena-text-style-control-2026-07-21-fb100fd1a486-v1	Explain →

Some explanation inputs are unavailable Missing: publicFrozenEvidence, comparablePriorRanking.

Published rank: #295
Score: 1,226.093
Overall confidence: 100%
Coverage: 36%
Sample size: 24,806
As of: Jul 21, 2026, 11:59 PM UTC

SCORE CONSTRUCTION

Component ledger

5/14 evidenced

Components contributing to reka-flash-21b-20240226's rank
Component	Value	Weight	Contribution	Evidence	Status
arena text rating lower bound	—	0%	0	1	available
arena text rating upper bound	—	0%	0	1	available
arena text rating variance	—	0%	0	1	available
arena text style controlled rating

AUDITABLE DATA

WHY EACH VALUE IS HERE

5 published observations for reka-flash-21b-20240226. Open a row for the source, evidence location, extraction method, and quality state.

Metric	Value	Kind	As of	Confidence	Evidence
Arena rating variancearena-text-rating-variance	9.2069arena_score_squared	derived	Jul 21, 2026	100%	View source Source Arena official leaderboard dataset Grade A Document Arena text style-controlled overall leaderboard published 2026-07-21 Published Jul 21, 2026 Retrieved Jul 27, 2026 Extraction official_filtered_dataset_normalization · arena-text-style-control-2026-07-21-fb100fd1a486-v1 Locator `{"filter":"category = overall","datasetCard":"https://huggingface.co/datasets/lmarena-ai/leaderboard-dataset/blob/fb100fd1a48607efb93e28ba6610b641a7ac1bce/README.md","methodology":"https://github.com/lmarena/arena-rank","datasetSplit":"latest","datasetConfig":"text_style_control","datasetRevision":"fb100fd1a48607efb93e28ba6610b641a7ac1bce"}` Open primary evidence ↗
Arena rating upper confidence boundarena-text-rating-upper-bound	1,232.0399arena_score	derived	Jul 21, 2026	100%	View source Source Arena official leaderboard dataset Grade A Document Arena text style-controlled overall leaderboard published 2026-07-21 Published

arena text vote count	—	0%	0	1	available

datasetRevision	fb100fd1a48607efb93e28ba6610b641a7ac1bce	Unavailable	—	0	unavailableno_public_frozen_evidence

metrics	Structured	Unavailable	—	0	unavailableno_public_frozen_evidence

modelLicense	Proprietary	Unavailable	—	0	unavailableno_public_frozen_evidence

organization	—	Unavailable	—	0	unavailableno_public_frozen_evidence

publishDate	2026-07-21	Unavailable	—	0	unavailableno_public_frozen_evidence

rankingDirection	descending	Unavailable	—	0	unavailableno_public_frozen_evidence

sourceModelId	reka-flash-21b-20240226	Unavailable	—	0	unavailableno_public_frozen_evidence

styleControlled	1	Unavailable	—	0	unavailableno_public_frozen_evidence

upstreamRank	295	Unavailable	295	0	unavailableno_public_frozen_evidence

PRIMARY EVIDENCE

Source trail

5 public records

Arena rating lower confidence boundarena text rating lower bound · observed Jul 21, 2026, 11:59 PM UTC1,220.146 arena_score100% confidence
Source
Arena official leaderboard dataset
Grade
A
Freshness
fresh
Locator
{"filter":"category = overall","datasetCard":"https://huggingface.co/datasets/lmarena-ai/leaderboard-dataset/blob/fb100fd1a48607efb93e28ba6610b641a7ac1bce/README.md","methodology":"https://github.com/lmarena/arena-rank","datasetSplit":"latest","datasetConfig":"text_style_control","datasetRevision":"fb100fd1a48607efb93e28ba6610b641a7ac1bce"}
Open primary evidence ↗
Arena rating upper confidence boundarena text rating upper bound · observed Jul 21, 2026, 11:59 PM UTC1,232.04 arena_score100% confidence
Source
Arena official leaderboard dataset
Grade
A
Freshness
fresh
Locator
{"filter":"category = overall","datasetCard":"https://huggingface.co/datasets/lmarena-ai/leaderboard-dataset/blob/fb100fd1a48607efb93e28ba6610b641a7ac1bce/README.md","methodology":"https://github.com/lmarena/arena-rank","datasetSplit":"latest","datasetConfig":"text_style_control","datasetRevision":"fb100fd1a48607efb93e28ba6610b641a7ac1bce"}
Open primary evidence ↗
Arena rating variancearena text rating variance · observed Jul 21, 2026, 11:59 PM UTC9.207 arena_score_squared100% confidence
Source
Arena official leaderboard dataset
Grade
A
Freshness
fresh
Locator
{"filter":"category = overall","datasetCard":"https://huggingface.co/datasets/lmarena-ai/leaderboard-dataset/blob/fb100fd1a48607efb93e28ba6610b641a7ac1bce/README.md","methodology":"https://github.com/lmarena/arena-rank","datasetSplit":"latest","datasetConfig":"text_style_control","datasetRevision":"fb100fd1a48607efb93e28ba6610b641a7ac1bce"}
Open primary evidence ↗
Arena text style-controlled ratingarena text style controlled rating · observed Jul 21, 2026, 11:59 PM UTC1,226.093 arena_score100% confidence
Source
Arena official leaderboard dataset
Grade
A
Freshness
fresh
Locator
{"filter":"category = overall","datasetCard":"https://huggingface.co/datasets/lmarena-ai/leaderboard-dataset/blob/fb100fd1a48607efb93e28ba6610b641a7ac1bce/README.md","methodology":"https://github.com/lmarena/arena-rank","datasetSplit":"latest","datasetConfig":"text_style_control","datasetRevision":"fb100fd1a48607efb93e28ba6610b641a7ac1bce"}
Open primary evidence ↗
Arena vote countarena text vote count · observed Jul 21, 2026, 11:59 PM UTC24,806 votes100% confidence
Source
Arena official leaderboard dataset
Grade
A
Freshness
fresh
Locator
{"filter":"category = overall","datasetCard":"https://huggingface.co/datasets/lmarena-ai/leaderboard-dataset/blob/fb100fd1a48607efb93e28ba6610b641a7ac1bce/README.md","methodology":"https://github.com/lmarena/arena-rank","datasetSplit":"latest","datasetConfig":"text_style_control","datasetRevision":"fb100fd1a48607efb93e28ba6610b641a7ac1bce"}
Open primary evidence ↗

Arena rating lower confidence boundarena-text-rating-lower-bound	1,220.1457arena_score	derived	Jul 21, 2026	100%	View source Source Arena official leaderboard dataset Grade A Document Arena text style-controlled overall leaderboard published 2026-07-21 Published Jul 21, 2026 Retrieved Jul 27, 2026 Extraction official_filtered_dataset_normalization · arena-text-style-control-2026-07-21-fb100fd1a486-v1 Locator `{"filter":"category = overall","datasetCard":"https://huggingface.co/datasets/lmarena-ai/leaderboard-dataset/blob/fb100fd1a48607efb93e28ba6610b641a7ac1bce/README.md","methodology":"https://github.com/lmarena/arena-rank","datasetSplit":"latest","datasetConfig":"text_style_control","datasetRevision":"fb100fd1a48607efb93e28ba6610b641a7ac1bce"}` Open primary evidence ↗

Arena vote countarena-text-vote-count	24,806votes	measured	Jul 21, 2026	100%	View source Source Arena official leaderboard dataset Grade A Document Arena text style-controlled overall leaderboard published 2026-07-21 Published Jul 21, 2026 Retrieved Jul 27, 2026 Extraction official_filtered_dataset_normalization · arena-text-style-control-2026-07-21-fb100fd1a486-v1 Locator `{"filter":"category = overall","datasetCard":"https://huggingface.co/datasets/lmarena-ai/leaderboard-dataset/blob/fb100fd1a48607efb93e28ba6610b641a7ac1bce/README.md","methodology":"https://github.com/lmarena/arena-rank","datasetSplit":"latest","datasetConfig":"text_style_control","datasetRevision":"fb100fd1a48607efb93e28ba6610b641a7ac1bce"}` Open primary evidence ↗

Arena text style-controlled ratingarena-text-style-controlled-rating	1,226.0928arena_score	derived	Jul 21, 2026	100%	View source Source Arena official leaderboard dataset Grade A Document Arena text style-controlled overall leaderboard published 2026-07-21 Published Jul 21, 2026 Retrieved Jul 27, 2026 Extraction official_filtered_dataset_normalization · arena-text-style-control-2026-07-21-fb100fd1a486-v1 Locator `{"filter":"category = overall","datasetCard":"https://huggingface.co/datasets/lmarena-ai/leaderboard-dataset/blob/fb100fd1a48607efb93e28ba6610b641a7ac1bce/README.md","methodology":"https://github.com/lmarena/arena-rank","datasetSplit":"latest","datasetConfig":"text_style_control","datasetRevision":"fb100fd1a48607efb93e28ba6610b641a7ac1bce"}` Open primary evidence ↗